package io;

import java.io.*;

public class CopyDemo3 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("p.avif");
        BufferedInputStream bis=new BufferedInputStream(fis);
        FileOutputStream fos=new FileOutputStream("p_c3.avif");
        BufferedOutputStream bos=new BufferedOutputStream(fos);
        long start=System.currentTimeMillis();
        int b;
        while ((b=bis.read())!=-1){
            bos.write(b);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕，耗时："+(end-start)+"毫秒");
        bis.close();
        bos.close();
    }
}